Once you have downloaded the macOS 10.15.7 DMG, the most common next step is creating a bootable thumb drive. You will need a USB drive with at least 16GB of space.
Sidecar: Extend your workspace using an iPad and Apple Pencil. Mac Os Catalina 10.15 7 Dmg Download
Before you install, it is worth noting the features that defined this release. Catalina introduced Sidecar, allowing users to use an iPad as a second display, and brought Screen Time to the Mac for the first time. Once you have downloaded the macOS 10